21898080

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:198

約数の個数: 192

約数和(自身を含む): 79289280

約数和(自身を除く): 57391200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 90, 96, 108, 111, 120, 135, 137, 144, 148, 160, 180, 185, 216, 222, 240, 270, 274, 288, 296, 333, 360, 370, 411, 432, 444, 480, 540, 548, 555, 592, 666, 685, 720, 740, 822, 864, 888, 999, 1080, 1096, 1110, 1184, 1233, 1332, 1370, 1440, 1480, 1644, 1665, 1776, 1998, 2055, 2160, 2192, 2220, 2466, 2664, 2740, 2960, 3288, 3330, 3552, 3699, 3996, 4110, 4320, 4384, 4440, 4932, 4995, 5069, 5328, 5480, 5920, 6165, 6576, 6660, 7398, 7992, 8220, 8880, 9864, 9990, 10138, 10656, 10960, 12330, 13152, 13320, 14796, 15207, 15984, 16440, 17760, 18495, 19728, 19980, 20276, 21920, 24660, 25345, 26640, 29592, 30414, 31968, 32880, 36990, 39456, 39960, 40552, 45621, 49320, 50690, 53280, 59184, 60828, 65760, 73980, 76035, 79920, 81104, 91242, 98640, 101380, 118368, 121656, 136863, 147960, 152070, 159840, 162208, 182484, 197280, 202760, 228105, 243312, 273726, 295920, 304140, 364968, 405520, 456210, 486624, 547452, 591840, 608280, 684315, 729936, 811040, 912420, 1094904, 1216560, 1368630, 1459872, 1824840, 2189808, 2433120, 2737260, 3649680, 4379616, 5474520, 7299360, 10949040, 21898080]

約数ペア:

[(1, 21898080), (2, 10949040), (3, 7299360), (4, 5474520), (5, 4379616), (6, 3649680), (8, 2737260), (9, 2433120), (10, 2189808), (12, 1824840), (15, 1459872), (16, 1368630), (18, 1216560), (20, 1094904), (24, 912420), (27, 811040), (30, 729936), (32, 684315), (36, 608280), (37, 591840), (40, 547452), (45, 486624), (48, 456210), (54, 405520), (60, 364968), (72, 304140), (74, 295920), (80, 273726), (90, 243312), (96, 228105), (108, 202760), (111, 197280), (120, 182484), (135, 162208), (137, 159840), (144, 152070), (148, 147960), (160, 136863), (180, 121656), (185, 118368), (216, 101380), (222, 98640), (240, 91242), (270, 81104), (274, 79920), (288, 76035), (296, 73980), (333, 65760), (360, 60828), (370, 59184), (411, 53280), (432, 50690), (444, 49320), (480, 45621), (540, 40552), (548, 39960), (555, 39456), (592, 36990), (666, 32880), (685, 31968), (720, 30414), (740, 29592), (822, 26640), (864, 25345), (888, 24660), (999, 21920), (1080, 20276), (1096, 19980), (1110, 19728), (1184, 18495), (1233, 17760), (1332, 16440), (1370, 15984), (1440, 15207), (1480, 14796), (1644, 13320), (1665, 13152), (1776, 12330), (1998, 10960), (2055, 10656), (2160, 10138), (2192, 9990), (2220, 9864), (2466, 8880), (2664, 8220), (2740, 7992), (2960, 7398), (3288, 6660), (3330, 6576), (3552, 6165), (3699, 5920), (3996, 5480), (4110, 5328), (4320, 5069), (4384, 4995), (4440, 4932)]